Steam rises from Castle Geyser at sunset in Yellowstone National Park, Wyoming.

Photography Tip: "Expose for the highlights and develop for the shadows." Your exposure decisions are critical when shooting high contrast scenes like this one. In a scene like this you need the brightest exposure possible but be careful not to sacrifice any of the highlight details. Learn more about proper exposure for digital capture at http://bit.ly/TC3klJ

I am leading another Yellowstone National Park Photography Workshop this September with the local expert Dr. Jim Halfpenny. This will be a small group field photography experience with lots of hands-on instruction. Space is limited. To register go to http://bit.ly/1mePv3b